Add 70/45 and 98/63, Solve 1 25/45 + 1 35/63 as a fraction

Add 70/45 and 98/63

1^st number: 1 25/45, 2^nd number: 1 35/63

70/45 + 98/63 is 28/9.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 45 × 7 = 315,
70/45 = 70 × 7/45 × 7 = 490/315
Likewise, for the 2nd fraction, since 63 × 5 = 315,
98/63 = 98 × 5/63 × 5 = 490/315
Add the two like fractions:
490/315 + 490/315 = 490 + 490/315 = 980/315
980/315 simplified gives 28/9
So, 70/45 + 98/63 = 28/9
In mixed form: 31/9

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